package lyl.images;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.io.FileOutputStream;

import javax.swing.ImageIcon;

import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGEncodeParam;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

/**
 * @author Liu Yulong
 */
public class CreateMark {

    // 添加水印,filePath 源图片路径， watermark 水印图片路径
    public static boolean createMark(String filePath, String watermark) {
        ImageIcon imgIcon = new ImageIcon(filePath);
        Image theImg = imgIcon.getImage();
        ImageIcon waterIcon = new ImageIcon(watermark);
        Image waterImg = waterIcon.getImage();
        int width = theImg.getWidth(null);
        int height = theImg.getHeight(null);
        BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bimage.createGraphics();
        g.setColor(Color.red);
        g.setBackground(Color.white);
        g.drawImage(theImg, 0, 0, null);
        g.drawImage(waterImg, 100, 100, null);
        g.drawString("12233", 101, 101); // 添加文字
        g.dispose();
        try {
            FileOutputStream out = new FileOutputStream(filePath);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bimage);
            param.setQuality(50f, true);
            encoder.encode(bimage, param);
            out.close();
        }
        catch (Exception e) {
            e.printStackTrace();
            return false;
        }
        return true;
    }


    /**
     * 给图片添加水印
     * 
     * @param filePath
     *            需要添加水印的图片的路径
     * @param markContent
     *            水印的文字
     * @param markContentColor
     *            水印文字的颜色
     * @param qualNum
     *            图片质量
     * @return
     */
    public static boolean createMark(String filePath, String markContent, Color markContentColor,
            float qualNum) {
        ImageIcon imgIcon = new ImageIcon(filePath);
        Image theImg = imgIcon.getImage();
        int width = theImg.getWidth(null);
        int height = theImg.getHeight(null);
        BufferedImage bimage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics2D g = bimage.createGraphics();
        g.setColor(markContentColor);
        g.setBackground(Color.white);
        g.drawImage(theImg, 0, 0, null);
        g.drawString(markContent, width / 5, height / 5); // 添加水印的文字和设置水印文字出现的内容
        g.dispose();
        try {
            FileOutputStream out = new FileOutputStream(filePath);
            JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
            JPEGEncodeParam param = encoder.getDefaultJPEGEncodeParam(bimage);
            param.setQuality(qualNum, true);
            encoder.encode(bimage, param);
            out.close();
        }
        catch (Exception e) {
            return false;
        }
        return true;
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        //createMark("d:/ddd.jpg", "d:/water.jpg");
        createMark("d:/ddd.jpg","开普互联",Color.RED,100f);
    }

}
